func (w *writer) Sym(s *LSym) {
	name := s.Name
	abi := uint16(s.ABI())
	if s.Static() {
		abi = goobj.SymABIstatic
	}
	flag := uint8(0)
	if s.DuplicateOK() {
		flag |= goobj.SymFlagDupok
	}
	if s.Local() {
		flag |= goobj.SymFlagLocal
	}
	if s.MakeTypelink() {
		flag |= goobj.SymFlagTypelink
	}
	if s.Leaf() {
		flag |= goobj.SymFlagLeaf
	}

		return true
	}
	if s.Pkg == "_" {
		// The frontend uses package "_" to mark symbols that should not
		// be referenced by index, e.g. linkname'd symbols.
		return true
	}
	if s.DuplicateOK() {
		// Dupok symbol needs to be dedup'd by name.
		return true
	}
	return false
}

// StaticNamePref is the prefix the front end applies to static temporary

	//
	// MUST BE LAST since all bits above this comprise the ABI.
	attrABIBase
)

func (a *Attribute) load() Attribute { return Attribute(atomic.LoadUint32((*uint32)(a))) }

func (a *Attribute) DuplicateOK() bool        { return a.load()&AttrDuplicateOK != 0 }
func (a *Attribute) MakeTypelink() bool       { return a.load()&AttrMakeTypelink != 0 }
func (a *Attribute) CFunc() bool              { return a.load()&AttrCFunc != 0 }